77results about How to "Simple handling of equipment" patented technology

The invention concerns the repairing dose to repair the soil polluted by heavy metal, which belongs to the technique field of repairing soil polluted by heavy metal. The repairing dose mainly includes: Na unit soil, haibao stone, stick stone, coal powder and microorganism germ root. Every composition' rate by weight is: Na unit soil15--40%, haipao stone 10--50%, stick stone 10--30%, coal powder 5--30%, microorganism germ root 0--40%. The repairing dose in the invention has the advantages of low cost of material, simple working equipment, good effect and no second pollution.

The invention relates to a leaf vegetable organic fertilizer and a preparation method thereof. The preparation method comprises the steps of grinding maize straws, wheat straws, soybean straws and sesame straws into straw particles according to a mass ratio of 3:3:2:2, pretreating the straw particles by adding water and ammonium hydroxide to obtain a mixture A; carrying out ultraviolet ray treatment on the taken duck manure and duck feathers, and then carrying out ozone treatment, thus obtaining a mixture B; adding aspergillus niger and saccharomycetes into a mixture of grinded manioc wastes, grinded kelp wastes and water, and fermenting to obtain a mixture C; mixing the mixtures A, B and C, shell powder, plant ash and sodium humate, and adding EM (Effective Microorganism) for fermentation to obtain a mixture D; and adding bone meal and charcoal dust into the mixture D, then carrying out ozone sterilization, drying, charging in a separating manner, and carrying out ultraviolet sterilization to obtain the leaf vegetable organic fertilizer. The prepared leaf vegetable organic fertilizer contains various nutritional ingredients needed by the growth of leaf vegetables, regulates soil, activates the activity of microorganisms in the soil, overcomes soil hardening, and improves the permeability of soil air.

The invention discloses a method for preparing biological activated carbon by hydrothermal carbonization of algae residue/algae sludge.The method includes the following steps: (1) mixing the algae residue/algae sludge with water prior to putting the mixture into a reaction kettle, performing heating reaction under the pressure less than 6 MPa and at the temperature of 160-220 DEG C for 2-20 hours, and naturally cooling to the room temperature; (2) subjecting a hydrothermal product obtained in the step (1) to filtration or centrifugal separation to obtain solid, and washing the solid; (3) drying the product obtained after washing in the step (2) at the temperature of 50-60 DEG C to obtain the biological activated carbon.Plenty of algae residue can be disposed highly efficiently as well as be utilized to turn waste into treasure; harm brought by the algae residue and algae toxins is reduced, and high efficiency and environmental friendliness are realized.

The invention relates to a method for coking wastewater degradation and synchronous power generation by taking coking active bacterium as a biocatalyst. The method is carried out according to the following steps of partitioning a carbon-based active coking microbial film positive electrode and a platinum-loaded carbon fabric negative electrode at two chambers by using a cation membrane or a proton membrane; degrading organic matters and inorganic matters which are high in toxicity and are difficult to be degraded in coking wastewater in an anode anaerobic environment by using the coking active bacterium; allowing oxidation reaction; transferring electrons released through reaction to a positive carbon felt by a medium or a pigment secreted from the bacterium; sequentially transmitting the electrons to a negative electrode through an external wire; and allowing an electron acceptor of the negative electrode to generate reduction reaction. By the process, the treatment of high-toxicity and degradation-resistant coking wastewater is achieved, chemical energy reserved in the process is also converted to electrical energy, a new method is provided for coking wastewater treatment, and meanwhile, a wide prospect is provided for green treatment of the coking wastewater in future.

The invention relates to a device and a method for the biological processing of waste water containing volatile organic substances. The main part of the device comprises a liquid-phase biological fluidized bed and a gas-phase biological dripping filtration bed which are coupled, a porous flow guiding cylinder is arranged in the liquid-phase biological fluidized bed, a compound magnetic polyurethane foam carrier is filled in the porous flow guiding cylinder, and the bottom of the porous flow guiding cylinder is provided with a micropore aeration system to provide sufficient oxygen for biological oxidizing reaction. A compound magnetic polyurethane foam carrier is filled in the gas-phase biological dripping filtration bed to further degrade the volatile organic chemical compound generated in the biochemical process to thoroughly degrade the volatile organic substances. The device has high sewage processing efficiency, ensures the water quality of processed water reaches the national first-grade waste water discharge standard, and eliminates the atmosphere pollution by the volatile organic compound in the biochemical process. The device of the invention has simple structure, small occupied land, low investment, high waste water processing efficiency and low energy consumption, and is suitable for the processing and the recovery of the waste water containing volatile organic substances.

The invention discloses a method for processing negative ion surface active agent in wastewater, belonging to the field of chemical environmental protection and adopting the steps of wastewater acidification pretreatment, filtration, quaternary ammonium cationic cellulose composite adsorption column adsorption, and the like; and the process route of treatment is short, and the concentration of negative ion surface active agent in the treated water is greatly lower than the national wastewater discharge standard. The processing method of the invention has the advantages of simple process equipment, low energy consumption, high adsorption speed and large adsorption capacity, adsorbent can be used in the way of regeneration and circulation, the processing cost is low, and raw materials used for preparing the quaternary ammonium cationic cellulose has low production cost and wide range of acquisition, is non-toxic, can not cause secondary pollution to environment, etc.

The invention relates to a method for improving the yield of corn stalk biogas through sodium hydroxide wet type solid normal temperature treatment, which belongs to the field of biomass energy. The liquid chemical pretreatment and the solid chemical pretreatment of corn stalks have the problems of higher use amount of NaOH, high cost and the like. The method is that sodium hydroxide with the amount of 2 percent of the dry weight of the corn stalks, water with the amount of 7.5 times of the weight of the corn stalks and crashed corn stalks are fully mixed evenly, are sealed for preservation for 3 days after reaching the water saturation state, then are discharged and added with pig manure digestive liquid to undergo the anaerobic digestion and produce biogas. The invention has the advantages that the cost is saved, the pretreatment time is reduced, the gas yield is improved and the like.

The invention discloses an irradiation processing method for acrylonitrile waste water, which belongs to the field of nuclear technology application and environmental protection. The method mainly makes use of the principle that ionizing radiation can induce acrylonitrile to have a polyreaction, enables the acrylonitrile in the waste water to have the polyreaction through the ionizing radiation; and then acrylonitrile polymer deposit is separated from the water phase through a filtration method so as to realize the aim of removing the acrylonitrile from the waste water. The method can effectively remove the biologically toxic acrylonitrile pollutant in the high-concentration acrylonitrile waste water. The method is a waste water processing technology with high efficiency, economy and environmental friendliness.

The invention relates to a radially combined multistage ozone air floatation device. The radially combined multistage ozone air floatation device comprises an inner barrel cylinder and an outer barrel cylinder which share the bottom surface, wherein an annular water collecting pipe is arranged at the bottom of the inner barrel cylinder and the outer barrel cylinder, water collecting holes formed in the annular water collecting pipe are distributed in the inner barrel cylinder and the outer barrel cylinder respectively, the inner barrel cylinder is sequentially a contact zone and a separation zone from the bottom to the top, the top of the inner barrel cylinder is open, the top of the outer barrel cylinder is closed, a slag scraping device is arranged in front of the top of the inner barrel cylinder and the outer barrel cylinder, an ozone oxidation zone is arranged between the inner barrel cylinder and the outer barrel cylinder, and an aeration disc is arranged at the bottom of the ozone oxidation zone. The radially combined multistage ozone air floatation device has the advantages that an ozone air floatation unit and an ozone oxidation unit are radially combined, treatment device is optimized, floor area of equipment is reduced, and low energy consumption deslagging is completed by virtue of rise and fall of liquid level; and by virtue of combination of a deslagging device and an overflow deslagging way, scum is thoroughly eliminated, and treatment efficiency of the multistage ozone air floatation device is improved.

The invention discloses a method for preparing straw biochar by hydrothermal carbonization. The method comprises the following steps that S1, straw is crushed and mixed with water, wherein the solid-liquid ratio of the straw to the water is (10:5)-(20:1); S2, the mixture is introduced into a hydrothermal carbonization reaction tank for a hydrothermal carbonization reaction; S3, a product of the hydrothermal carbonization reaction is cooled, filtered, separated and dried to obtain the straw biochar. The method has the advantages that a new straw recycling mode is provided, the process is simple, the potential of carbon fixation and emission reduction is increased, and the comprehensive utilization rate and economic benefit of the straw are increased.

The invention provides a refining method for glycol. The method comprises a step of subjecting a compound hydrogenation catalyst, hydrogen, coconut shell charcoal and a crude glycol product to a contact reaction, wherein a mass ratio of the coconut shell charcoal to the compound hydrogenation catalyst is 1: 10 to 20: 1; the total mass of the coconut shell charcoal to the compound hydrogenation catalyst is 1 to 10 wt% of the mass of the crude glycol product; and the compound hydrogenation catalyst comprises continuous-phase carbon and dispersion-phase Raney alloy particles, the dispersion-phaseRaney alloy particles are uniformly or nonuniformly dispersed in the continuous-phase carbon, and the continuous-phase carbon is prepared by carbonizing carbonizable organic matters or mixtures thereof. The method provided by the invention is high in glycol product treatment efficiency, simple in treatment equipment and low in investment.

The invention discloses an advanced treatment and recycling device for ship tail gas desulfurization washing wastewater. The device comprises a washing water storage tank, a washing water circulation pipeline, a filter and a wastewater treatment device, wherein the washing water storage tank is connected with a washing tower; one end of the washing water circulation pipeline is connected with the bottom outlet of the washing tower, and the other end is divided into a first circulation pipeline and a second circulation pipeline; the wastewater treatment device comprises an ultrasonic assembly, a photocatalysis assembly and an ultrafiltration assembly; the first circulation pipeline is connected with the washing water storage tank to form a first circulation system; and the second circulation pipeline is sequentially communicated with the filter, the wastewater treater and the washing water storage tank to form a second circulation system. According to the device, washing wastewater is treated by adopting a filtering and ultrasonic coupling multi-phase photocatalytic oxidation reaction technology, so that pollutants in the wastewater can be efficiently and thoroughly removed, and the cyclic utilization rate of washing water is also improved; and meanwhile, no chemicals are introduced for treating the washing wastewater, so that the negative influence on the ecological environment is small.

The invention discloses a system for treating high-concentration VOCs gas and a work flow thereof. The system comprises an ozone generator, a microbubble generator and a reactor, wherein the inlet ofthe ozone generator is communicated with the outlet of an oxygen bottle; the outlet of the oxygen bottle is communicated with the microbubble generator; the water/gas outlet of the microbubble generator is communicated with the bottom of the reactor and adopts a sealed structure; a tail gas emission pipe is arranged at the top of the reactor. The system takes water as an absorbing/reaction medium,produces ozone/ VOCs gas mixed gas microbubble through the microbubble generator, performs rapid absorbing and rapid oxidation in the water medium to remove VOCs gas, can efficiently purify the high-concentration VOCs gas, and does not produce secondary pollutant during treatment; the system provides a novel available technology for high-concentration VOCs gas treatment.